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This is a crucial distinction that is frequently confused. Basically, specification limits have to do with the voice of the customer while control limits have to do with the voice of the process. (more…)

Highly effective SPC programs combine technical competencies, such as using the right chart and sample size for the application, with good management principles such as ensuring operator involvement. (more…)

An OC curve allows practitioners to determine a sample size that will result in the detection of those process changes that are of practical significance while minimizing the occurrence of false alarm. (more…)

November 15, 2018 We find that there are 3 common practices among companies who are effectively minimizing process variation. (1) Real-time monitoring of manufacturing with operator access to data. (2) Visualization of process output for operators and supervisors. (3) Investigation...

October 18, 2018 A bread company which has made public statements of intent to increase nutrition levels has installed WinSPC. The company uses the system to see charts that uncover interrelation between process factors. (more…)

October 5, 2018 Premature failures alienate customers, harm the company image, and may result in financial risks from recall and liability concerns. So how to maintain strong product reliability? (more…)

Sep 14, 2018 SPC tells when to leave the process alone and when to react. By using SPC, companies can minimize the variation of their process by identifying, reacting to and eliminating extra sources of variation. (more…)

September 5, 2018 When jumpstarting application of real-time SPC at your facility, you will follow a step-by-step guide to get WinSPC up and running in about an hour. You will set up one central access server for all the facility's...

August 20, 2018 A sizeable manufacturer of surgery equipment is using a manufacturing intelligence application by DataNet Quality Systems to help consistently deliver safe precision surgical instruments. (more…)

July 24, 2018 Inadequate measurement systems may result in inappropriate signals or even worse, charts that fail to detect important process changes. Thus, it is incumbent upon us to ensure that measurement systems are adequate for their intended use. (more…)